Espressif Systems ESP32 Technical Reference Manual page 6

10.5 Registers
11 SHA Accelerator
11.1 Introduction
11.2 Features
11.3 Functional Description
11.3.1 Padding and Parsing the Message
11.3.2 Message Digest
11.3.3 Hash Operation
11.3.4 Speed
11.4 Register Summary
11.5 Registers
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118
118
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